sub decode_magic_token {
    my $self=shift;
    my $token=shift;
    return 0 unless $token;
    my ($id, $username, $password);
    eval {
        my $decrypted=LocalSites::Crypt::decrypt_string($token);
        ($id,$username,$password)=split /\|/, $decrypted;
    };
    if (@$) {
        return 0;
    } else {
        return $id;
    }
}